Hugli TE (1987). "Biochemistry and biology of anaphylatoxins". Complement. ج. 3 ع. 3: 111–27. PMID:3542363.
Yu CY (1999). "Molecular genetics of the human MHC complement gene cluster". Experimental and Clinical Immunogenetics. ج. 15 ع. 4: 213–30. DOI:10.1159/000019075. PMID:10072631.
Anderson MJ، Milner CM، Cotton RG، Campbell RD (مايو 1992). "The coding sequence of the hemolytically inactive C4A6 allotype of human complement component C4 reveals that a single arginine to tryptophan substitution at beta-chain residue 458 is the likely cause of the defect". Journal of Immunology. ج. 148 ع. 9: 2795–802. PMID:1573268.
Hessing M، van 't Veer C، Hackeng TM، Bouma BN، Iwanaga S (أكتوبر 1990). "Importance of the alpha 3-fragment of complement C4 for the binding with C4b-binding protein". FEBS Letters. ج. 271 ع. 1–2: 131–6. DOI:10.1016/0014-5793(90)80389-Z. PMID:1699796.
Yu CY (فبراير 1991). "The complete exon-intron structure of a human complement component C4A gene. DNA sequences, polymorphism, and linkage to the 21-hydroxylase gene". Journal of Immunology. ج. 146 ع. 3: 1057–66. PMID:1988494.
Speiser PW، White PC (ديسمبر 1989). "Structure of the human RD gene: a highly conserved gene in the class III region of the major histocompatibility complex". Dna. ج. 8 ع. 10: 745–51. DOI:10.1089/dna.1989.8.745. PMID:2612324.
Belt KT، Yu CY، Carroll MC، Porter RR (1985). "Polymorphism of human complement component C4". Immunogenetics. ج. 21 ع. 2: 173–80. DOI:10.1007/BF00364869. PMID:3838531.
Hortin G، Sims H، Strauss AW (فبراير 1986). "Identification of the site of sulfation of the fourth component of human complement". The Journal of Biological Chemistry. ج. 261 ع. 4: 1786–93. PMID:3944109.
Moon KE، Gorski JP، Hugli TE (أغسطس 1981). "Complete primary structure of human C4a anaphylatoxin". The Journal of Biological Chemistry. ج. 256 ع. 16: 8685–92. PMID:6167582.
Palsdottir A، Cross SJ، Edwards JH، Carroll MC (1984). "Correlation between a DNA restriction fragment length polymorphism and C4A6 protein". Nature. ج. 306 ع. 5943: 615–6. DOI:10.1038/306615a0. PMID:6316164.
Belt KT، Carroll MC، Porter RR (أبريل 1984). "The structural basis of the multiple forms of human complement component C4". Cell. ج. 36 ع. 4: 907–14. DOI:10.1016/0092-8674(84)90040-0. PMID:6546707.
Carroll MC، Campbell RD، Bentley DR، Porter RR (1984). "A molecular map of the human major histocompatibility complex class III region linking complement genes C4, C2 and factor B". Nature. ج. 307 ع. 5948: 237–41. DOI:10.1038/307237a0. PMID:6559257.